Full Flavor, Zero Sugar Monster Energy Ultra Watermelon has zero sugar but with all the flavor you’re accustomed to and packed with our sugar-free Monster Energy blend. Refreshing Taste Zero sugar, easy drinking refreshing flavor with the explosive Monster Energy blend to light-up those hot summer nights. Ultra Watermelon is summertime in a can so you can enjoy it anytime. Unleash the Ultra Beast Under the firework lit night sky, you’ve got your crush by your side. With good music and better friends, it’s the best summer ever. Unleash the Ultra beast with Ultra Watermelon! Stock Up with a 24-Pack Time to stock up. For those looking for a Monster that’s lighter tasting, has zero sugar and contains the full Monster Energy blend, Monster Energy Ultra Watermelon is available in a convenient pack of 24 right to your pantry. Due to new FDA nutrition labeling requirements, product labels may vary from those pictured. This product does not contain any of the 8 major allergens. With 10 calories per can, Monster Energy Ultra Watermelon is fully loaded with its Monster Energy Blend and available in multiple flavors. Flavorize your summer, and unleash the beast and keep it Ultra!